GREAT BRITAIN. 1/2 Penny, 1729. George II (1727-60). NGC PROOF-64 BN.S-3717; KM-566. Sharply detailed with minor reverse doubling and exhibiting hard mirrored fields with enchanting cobalt blue toning highlights that surround many of the raised surfaces. <strong>RARE </strong>and endlessly demanded as one of the earliest Proof issues of Great Britain.